Table 6.
Estimated survival based on blood pressure group in patients on hydrodynamic centrifugal flow LVAD support. Patient average blood pressure was calculated from measures obtained month 3 and onward after LVAD.
| Estimated Survival (%) during Centrifugal Flow Support | ||||
|---|---|---|---|---|
| 90 day | 1 Year | 3 Year | P | |
| MAP Group, mmHg | p = 0.063 | |||
| MAP ≤75 (n at risk) | 98.2 ± 0.7% (n=329) | 89 ± 1.9% (n=320) | 67 ± 4.7% (n=179) | -- |
| MAP 76-90 (n at risk) | 99.4 ± 0.3% (n=715) | 91 ± 1.2% (n=708) | 69± 3.2% (n=424) | -- |
| MAP 91-100 (n at risk) | 99.6 ± 0.4% (n=248) | 94 ± 1.6% (n=244) | 75 ± 5.9%(n=152) | -- |
| MAP >100 (n at risk) | 100% (n=55) | 93 ± 3.6% (n=52) | 81 ±7.5 (n=27) | -- |
| Doppler Group, mmHg | p=0.038 | |||
| Doppler ≤80 (n at risk) | 99.9 ± 0.1% (n=789) | 88 ± 1.4% (n=773) | 66± 3.7% (n=374) | -- |
| Doppler 81-95 (n at risk) | 99.9 ± 0.1% (n=1106) | 93 ± 0.9% (n=1088) | 69± 3.0% (n=636) | -- |
| Doppler 96-105 (n at risk) | 100% (n=188) | 90 ± 2.5% (n=185) | 73 ± 5.8% (n=104) | -- |
| Doppler >105 (n at risk) | 100% (n=64) | 90 ± 4.1% (n=63) | 84 ± 7.0% (n=399) | -- |
| SBP Group, mmHg | p=0.018 | |||
| SBP <90 (n at risk) | 99.0 ± 0.5% (n=387) | 89 ± 1.8% (n=380) | 66 ± 4.7% (n=203) | |
| SBP 90-107 (n at risk) | 99.7 ± 0.2%(n=711) | 93 ± 1.1% (n=707) | 74 ± 3.1% (n=415) | |
| SBP 108-119 (n at risk) | 99.6 ± 0.4% (n=258) | 91 ± 1.9% (n=254) | 60 ± 6.3% (n=155) | |
| SBP ≥120 (n at risk) | 100% (n=108) | 93 ± 2.7% (n=106) | 79 ± 6.8% (n=61) | |